<!DOCTYPE html>
<html lang="en">

<head>
  <meta charset="UTF-8" />
  <meta name="viewport" content="width=device-width, initial-scale=1.0" />
  <meta http-equiv="X-UA-Compatible" content="ie=edge" />
  <title>大事件-后台登录页</title>
  <link rel="stylesheet" type="text/css" href="css/reset.css" />
  <link rel="stylesheet" type="text/css" href="css/iconfont.css" />
  <link rel="stylesheet" type="text/css" href="css/main.css" />
  <!-- 引入bootstrap的css文件 -->
  <link rel="stylesheet" href="./libs/bootstrap/css/bootstrap.min.css" />
  <!-- 引入jq文件 -->
  <script src="./libs/jquery-1.12.4.min.js"></script>
  <!-- 引入bootstrap的js文件 -->
  <script src="./libs/bootstrap/js/bootstrap.min.js"></script>
</head>

<body>
  <div class="main_wrap">
    <div class="header">
      <a href="#" class="logo"><img src="images/logo.png" alt="" /></a>
      <div class="copyright">
        CopyRight © 2019 深圳百秀信息技术股份有限公司<br />All Rights Reserved
      </div>
    </div>

    <div class="login_form_con">
      <div class="login_title"></div>
      <form class="login_form">
        <i class="iconfont icon-user"></i>
        <i class="iconfont icon-key"></i>
        <input type="text" class="input_txt" placeholder="邮箱/手机号" />
        <input type="password" class="input_pass" placeholder="密码" />
        <input type="submit" class="input_sub" value="登 录" />
      </form>
    </div>
  </div>


<!-- 模态框静态结构 -->
<div class="modal fade" tabindex="-1" role="dialog" id="myModal">
  <div class="modal-dialog" role="document">
    <div class="modal-content">
      <div class="modal-header">
        <button
          type="button"
          class="close"
          data-dismiss="modal"
          aria-label="Close"
        >
          <span aria-hidden="true">&times;</span>
        </button>
        <h4 class="modal-title">傻猪猪,上课认真听讲</h4>
      </div>
      <div class="modal-body">
        <p></p>
      </div>
      <div class="modal-footer">
        <button
          type="button"
          class="btn btn-default btn-success"
          data-dismiss="modal"
        >
          确定
        </button>
      </div>
    </div>
    <!-- /.modal-content -->
  </div>
  <!-- /.modal-dialog -->
</div>
<!-- /.modal -->


</body>

</html>
<script src="./libs/https.js"></script>
<script>
  $(function(){
    //1.给登陆按钮设置点击事件
    $('.input_sub').on('click',function(e){
      e.preventDefault()//阻断默认效果

      //2.获得输入的内容
      let username=$('.input_txt').val().trim()
      let password=$('.input_pass').val().trim()

      //3.非空判断
      if (username==''||password=='') {
        // alert('要输入内容')  //不使用原生弹窗
        //使用 bootstrap插件弹窗
        $('#myModal').modal()
        $('.modal-body p').text('请输入内容,密码不能为空')
        return
        
      }
      //4.发起ajax请求,验证登陆
      $.ajax({
        type:'post',
        url:BigNew.user_login,
        data:{
          username:username,
          password:password,
        },
        success:function(backData){
          if (backData.code==200) {

            //把服务器返回回来的token令牌保存起啦
            localStorage.setItem('bignews',backData.token)
            // alert('登陆成功')  //原生的弹窗可以卡住代码的执行

             $('#myModal').modal()
             $('.modal-body p').text('登陆成功')
             //bootstrap的弹窗无法卡住代码,所以会直接跳转

             //当弹窗被关闭的时候,再发生页面跳转
             $('#myModal').on('hidden.bs.modal',function(e){
            //5.登陆成功之后,要跳转到后台首页
            window.location='./index.html'
             })

          }
        }
      })
    })
  })
</script>